Life In 19x19

Posted: **Mon Jul 26, 2010 2:19 am**

Joaz Banbeck wrote:
topazg wrote:...if anyone thinks "Hey, that's where I would have moved, why didn't you move at "x"?" I'll explain why I rejected it...

If 'anyone' includes your humble opponents, I'm curious why you rejected 'd'; I thought that it was your best move.

Sure

Basically, I felt "d" didn't do enough of anything. Sure, it's looking after my group, but I think White can too easily fix his groups and remove most of his "future" problems:

Click Here To Show Diagram Code: [go]$$Bcm67 67B: W 35, B 30 $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . . . . | $$ | . O O X . . . O . . X . O . . X . . . | $$ | . . O X . . X . O . . . . . . . . . . | $$ | . . O X . . . . . . X . . . . . . . . | $$ | . . O X . . . . O . . 1 . . . . . . . | $$ | . X X O X . X . . O . . . . . , . . . | $$ | . O O O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . 2 . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

68 here makes White so happy, I couldn't see any good way of following it up with an attack on the top group. Also, now Black's left middle group is wondering slightly about cuts (and really doesn't want to slide into the lower left corner as it's horribly aji-keshi) and the lower edge has an uncomfortable number of White stones around.

No end of josekis (especially double pincer josekis) use the principle of borrowing strength to attack (contacting on one side to attack the other), so if I really wanted to break out and attack the top right group, I'd probably play as follows:

Click Here To Show Diagram Code: [go]$$Bcm67 67B: W 35, B 30 $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . c . . | $$ | . O O X . . . O . . X . O . . X . . . | $$ | . . O X . . X . O . . . e b . . . . . | $$ | . . O X . . . . . . X . g . . . . . . | $$ | . . O X . . . . O . f d . . . . . . . | $$ | . X X O X . X . . O 1 3 . . . , . . . | $$ | . O O O . . . . . a 2 . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Now "a" is very painful, and "b" is likely to be sente against that group, forcing it to live small at the top and giving Black good development potential on the right. I nearly played this sequence, it was certainly my second choice. Leaning on the other group to attack White's middle group didn't seem possible, it seemed too far away to guarantee any sense of strong sente, and Black may give White enough thickness to hit at "c", which is obviously very undesirable. In the end, I figure by hitting the middle group from the lower side, you'll have to run, inducing Black to attack the top right group anyway, and giving Black better prospects in the lower middle of the board. In essence "d" is a move just to escape and live, and such things are earning 0 points and feel very uncomfortable. If it has to be played, it gets played, otherwise I want to do something that forces White to be a bit more uncomfortable and try to live at the same time.

The only thing that I felt had to be read out before playing it was being sealed in. If White can play at "d" and seal Black in, Black's in a bit of trouble, but I can't see a way of preventing Black from getting "e" (followed by White "b"), after which Black can push and cut with "f" if he has to, or simply extend to "g".

EDIT: In this board position, I'd have played your move

Click Here To Show Diagram Code: [go]$$Bcm67 67B: W 35, B 30 $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . W . . O X . . . | $$ | . X X O O X O X . X . . . . O , X . . | $$ | X X O X . X O O X . . W . . . . . . . | $$ | . O O X . . . O . . X . . . . X . . . | $$ | . . O X . . X . O . . . W . . . . . . | $$ | . . O X . . . . . . X . . . . . . . . | $$ | . . O X . . . . O . . 1 . . . . . . . | $$ | . X X O X . X . . O . . . . . , . . . | $$ | . O O O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Posted: **Mon Jul 26, 2010 10:16 am**

I was going to play something different, but Topazg's move is better than what I was thinking of.

Approved.

Joaz, this move's direction of play is correct. It is pretty obvious to me that it's good. Your suggestion is too slack, doesn't do anything, and allows white to get off too easily.

To Observers:

Posted: **Mon Jul 26, 2010 12:38 pm**

Click Here To Show Diagram Code: [go]$$Bc 68A: W 35, B 30 $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . . . . | $$ | . O O X . . . O . . X . O . . X . . . | $$ | . . O X . . X . O . . W . . . . . . . | $$ | . . O X . . . . . . X . . . . . . . . | $$ | . . O X . . . . O . . . . . . . . . . | $$ | . X X O X . X . . O . . . . . , . . . | $$ | . O O O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Okay, here's what I wanted:

Click Here To Show Diagram Code: [go]$$Bc 68A: W 35, B 30 $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . . . . | $$ | . O O X . . . O y . X . O . . X . . . | $$ | . . O X . . X x O . 1 W . . . . . . . | $$ | . . O X . . . . z . X 5 6 . . . . . . | $$ | . . O X . . . . O . 3 2 . . . . . . . | $$ | . X X O X . X . . O 4 . . . . , . . . | $$ | . O O O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

However, as much as I like this start, after 3 black gets black x white y black z, which I cannot find a sufficient way to defend against in sente. I thought that we might be able to insert H13, but no followup quite seems to work as well. If ya'all see something I'm missing, by all means change my move back to the peep.

Click Here To Show Diagram Code: [go]$$Bc 68A: W 35, B 30 $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . . . . | $$ | . O O X . . . O . . X . O . . X . . . | $$ | . . O X . . X . O . 1 W . . . . . . . | $$ | . . O X . . . . . . X . . . . . . . . | $$ | . . O X . . . . O . 8 6 . . . . . . . | $$ | . X X O X . X . . O 4 5 7 . . , . . . | $$ | . O O O . . . . . . 3 2 . . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Actually, I've been looking at everything, and I think the knight's move is our best way to run away. However, no matter which way we choose to run, I think our best bet is to take the peep first. After that, I intend to do the knight's move shown here. It drags everything into a tough fight if it's cut, but I believe it's a fight in which we have the advantage (for once?) After black's response to the peep, I'm going to sit down and make entirely sure whether I want the knight's jump or something different.

Click Here To Show Diagram Code: [go]$$Bc 68A: W 35, B 30 $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . . . . | $$ | . O O X . . . O . . X . O . . X . . . | $$ | . . O X . . X . O . 1 W . . . . . . . | $$ | . . O X . . . . . . X . . . . . . . . | $$ | . . O X . . . . O . 5 . 2 . . . . . . | $$ | . X X O X . X . . O 3 . . . . , . . . | $$ | . O O O . . . . . 6 4 . . . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

I considered followups like this, but they don't seem to work as well. I don't see a good way to connect or get both groups away without a fight, so I guess we should choose the most beneficial fight?

Posted: **Mon Jul 26, 2010 12:40 pm**

Posted: **Mon Jul 26, 2010 1:37 pm**

I almost certainly will not approve.

Younger brother suggests this as a possibility:

Click Here To Show Diagram Code: [go]$$Bc 68A $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . . . . | $$ | . O O X . . . O . . X . O . . X . . . | $$ | . . O X . . X . O . 1 W . . . . . . . | $$ | . . O X . . . . . . X . . . . . . . . | $$ | . . O X . . . . O . 5 . 2 . . . . . . | $$ | . X X O X . X . . O 3 . . . . , . . . | $$ | . O O O . . . . . . 4 . . . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

However, black does not need to be so cooperative. They can play something like this:

Click Here To Show Diagram Code: [go]$$Bc 68A $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . . . . | $$ | . O O X . . . O . . X . O . . X . . . | $$ | . . O X . . X . O . X O . . . . . . . | $$ | . . O X . . . . 2 1 X . . . . . . . . | $$ | . . O X . . . . O 7 4 6 O . . . . . . | $$ | . X X O X . X . 8 O X 5 . . . , . . . | $$ | . O O O . . . . . 3 O . 9 . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

The above diagram is just an example. Black might interpose J19 and/or J13 first. But it does not look good for us. That is a practical reason why I don't like it.

Then there is the theoretical reason: it is aji keshi and it strengthens the only weak group that black has.

Posted: **Mon Jul 26, 2010 1:42 pm**

Posted: **Mon Jul 26, 2010 4:04 pm**

I do not approve of getting us killed. :mrgreen:

Click Here To Show Diagram Code: [go]$$Bc 68B W35 B 32 $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . . . . | $$ | . O O X . . . O . . X . O . . X . . . | $$ | . . O X . . X . O . . . . . . . . . . | $$ | . . O X . . . . . . X . . . . . . . . | $$ | . . O X . . . . O . . . . . . . . . . | $$ | . X X O X . X . . O . W . . . , . . . | $$ | . O O O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

In my previous post I noted that :b1:

kills us after younger brother's suggested peep. After a few seconds of reflection, I realized that it kills us after almost any move. Our center group has become too big to lose. ( Tell me again, Shapenaji, why did we start this group?

) We have to make some kind of running or fighting move to save our center group.

Click Here To Show Diagram Code: [go]$$Bc 68B $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . . . . | $$ | . O O X . . . O . . X . O . . X . . . | $$ | . . O X . . X . O . . . . . . . . . . | $$ | . . O X . . . . . . X . . . . . . . . | $$ | . . O X . . . . O . . . . . . . . . . | $$ | . X X O X . X . . O 1 . . . . , . . . | $$ | . O O O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

I like this:

Click Here To Show Diagram Code: [go]$$Bc 68B $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . . . . | $$ | . O O X . . . O . . X . O . . X . . . | $$ | . . O X . . X . O . . . . . . . . . . | $$ | . . O X . . . . . . X . . . . . . . . | $$ | . . O X . . . . O . . . . . . . . . . | $$ | . X X O X . X . . O . W . . . , . . . | $$ | . O O O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

...because it is a vitually unbreakable connection to get us out, and it threatens black's group, leading to something like this:

Click Here To Show Diagram Code: [go]$$Bc 68B 'A' and 'b' are miai $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . . . . | $$ | . O O X . . . O . . X . O . . X . . . | $$ | . . O X . . X . O . . . . . 2 . . . . | $$ | . . O X . . . . . . X . 1 . . . . . . | $$ | . . O X . . . . O . . . . 3 . . . . . | $$ | . X X O X . X . . O . W . . . , . . . | $$ | . O O O . . . . . . . . . . . . . . . | $$ | . . . . . X . . a X b . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . 4 . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Posted: **Tue Jul 27, 2010 3:55 pm**

Approved.

Posted: **Tue Jul 27, 2010 4:18 pm**

shapenaji wrote:Approved.
Let weak walk along weak

Hey shapenaji:

Posted: **Wed Jul 28, 2010 9:05 am**

Click Here To Show Diagram Code: [go]$$Bc 69A W35 B 32 $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . . . . | $$ | . O O X . . . O . . X . O . . X . . . | $$ | . . O X . . X . O . . . B . . . . . . | $$ | . . O X . . . . . . X . . . . . . . . | $$ | . . O X . . . . O . . . . . . . . . . | $$ | . X X O X . X . . O . O . . . , . . . | $$ | . O O O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

I have the same two options I considered at my previous move—I have to push through the gap.

Click Here To Show Diagram Code: [go]$$Bc 69A W35 B 32 $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . . . . | $$ | . O O X . . . O . . X . O . . X . . . | $$ | . . O X . . X . O . . . 1 2 . . . . . | $$ | . . O X . . . . . . X . 3 4 . . . . . | $$ | . . O X . . . . O . . . 5 7 . . . . . | $$ | . X X O X . X . . O . O 6 . . , . . . | $$ | . O O O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Click Here To Show Diagram Code: [go]$$Bc 69A W35 B 32 $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . . . . | $$ | . O O X . . . O . . X 9 O . . X . . . | $$ | . . O X . . X . O . 3 2 0 . . . . . . | $$ | . . O X . . . . . . X 4 1 . . . . . . | $$ | . . O X . . . . O . 5 7 8 . . . . . . | $$ | . X X O X . X . . O 6 O . . . , . . . | $$ | . O O O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Click Here To Show Diagram Code: [go]$$Bc 69A W35 B 32 $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . 2 1 3 . . . . . | $$ | . O O X . . . O . . X X O . . X . . . | $$ | . . O X . . X . O . X O O . . . . . . | $$ | . . O X . . . . . . X O X . . . . . . | $$ | . . O X . . . . O . X X O . . . . . . | $$ | . X X O X . X . . O O O . . . , . . . | $$ | . O O O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

I don't know if I can come out ahead from the latter. To tell you the truth, I don't even know if I can come out ahead from the former, but of the two alternatives it's the less double-or-nothingy.

Posted: **Wed Jul 28, 2010 9:33 am**

Approved.

Posted: **Wed Jul 28, 2010 9:49 am**

for the observers
and players at the end of the game.

it is not really a big deal but...it can be.
1 and 2 exchange timing perfect for black.
for you to be a stronger player you must read such suttle moves that will give you an edge. always ask yourself "is there's any moves that i can play that before i play that move that will give me an advantage?".

at this stage of the game white must answer :w2:

but later he might not.
and you might lose that timing.

that exchange will guarantees 1 eye from the top.
that eye might be what you need to survive.

if you can read that deep you will be a strong dan.

Click Here To Show Diagram Code: [go]$$Bc 69A W35 B 32 $$ --------------------------------------- $$ | . . . . . . 2 O 1 . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . . . . | $$ | . O O X . . . O . . X . O . . X . . . | $$ | . . O X . . X . O . . . 3 . . . . . . | $$ | . . O X . . . . . . X . . . . . . . . | $$ | . . O X . . . . O . . . . . . . . . . | $$ | . X X O X . X . . O . O . . . , . . . | $$ | . O O O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Posted: **Thu Jul 29, 2010 10:27 am**

From my phone: Approved.

Thank you for making this easy.

Posted: **Thu Jul 29, 2010 11:35 am**

Click Here To Show Diagram Code: [go]$$Bc 70A W35 B 32 $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . . . . . . . | $$ | . O O X . . . O . . X . O . . X . . . | $$ | . . O X . . X . O . . . X W . . . . . | $$ | . . O X . . . . . . X . . . . . . . . | $$ | . . O X . . . . O . . . . . . . . . . | $$ | . X X O X . X . . O . O . . . , . . . | $$ | . O O O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Click Here To Show Diagram Code: [go]$$Bc Ko? $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . 8 7 2 . . . . . | $$ | . O O X . . . O . . X 5 O 1 3 X . . . | $$ | . . O X . . X . O . . 4 X W . . . . . | $$ | . . O X . . . . . . X . 6 . . . . . . | $$ | . . O X . . . . O . . . . . . . . . . | $$ | . X X O X . X . . O . O . . . , . . . | $$ | . O O O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Okay, my first instinct was to look at the crosscut. If we can manage it, I think we'll get more for it. I read and read, and got to this ko variation, which scared me. It seems like an awfully large bet on ko. However, I think we have more ko threats, as we can directly threaten the life of the group in the top left and the middle, as well as threatening to take the top right, which would also settle our weak group. So perhaps we don't need to fear this ko, since we can benefit so much from it. Let's see what I can find if black avoids ko.

Click Here To Show Diagram Code: [go]$$Bc If not ko? $$ --------------------------------------- $$ | . . . . . . . O . . . . . . . . . . . | $$ | . X X O O . O X . . . . . . . . . . . | $$ | . X O O . O X X . . . . . . O X . . . | $$ | . X X O O X O X . X . O . . O , X . . | $$ | X X O X . X O O X . . . . 2 . . . . . | $$ | . O O X . . . O . . X 6 O 1 3 X . . . | $$ | . . O X . . X . O a 8 4 X W . . . . . | $$ | . . O X . . . . . 9 X 7 5 . . . . . . | $$ | . . O X . . . . O . . . . . . . . . . | $$ | . X X O X . X . . O . O . . . , . . . | $$ | . O O O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . X . . . . . . . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . , . O . . . , . . . . . O . . . | $$ | . . . O . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

If black avoids ko, I think I see different ways for us to connect. They are risky, and awfully close, but I think we can manage it. Playing anything besides the crosscut is more safe for the top group's liberties, but is more likely to end cut off, small, and possibly in danger. I'm going to go with the crosscut, scary as it is.

Sorry gents, have to go with my reading.

Posted: **Thu Jul 29, 2010 4:32 pm**

I approve.

Life In 19x19

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